What is a liquid resistance starter?where it is used??
Answer Posted / viren chocha
lrs is connected to the sliprings of induction motor.it require for adding external resistance to ckt for controling the huge starting current and attain high starting torgue.once induction motor attain speed,lrs is disconnected from ckt.
it is made of combination of water and some portion of caustic soda
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Define end float in a motor?
When MICC cables used ?
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.
how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?
Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?
Define open loop control system.
what is the difference between capacitive and resistive voltage divider?
what is meaning of bus riser
How does an oscillator differ from an amplifier?
what is earth resistance? how to measured? and give values at power station and mcc area?
what is the eight bit unit?
at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds
List examples of voltage source?
Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer